Ha-Nguyen TRAN


Low Overhead Query Method for the Interface between Geo-Location Database and Secondary User
Ha-Nguyen TRAN Hiroshi HARADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2015/04/01
Vol. E98-B  No. 4  pp. 714-722
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
white spacecognitive radiogeo-location databaseavailable channelpolygons intersection
 Summary | Full Text:PDF(843.1KB)

Implementation and Performance Evaluation of a Distributed TV White Space Sensing System
Ha-Nguyen TRAN Yohannes D. ALEMSEGED Hiroshi HARADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2014/02/01
Vol. E97-B  No. 2  pp. 305-313
Type of Manuscript:  Special Section PAPER (Special Section on Technologies for Effective Utilization of Spectrum White Space)
Category: 
Keyword: 
distributed spectrum sensingTV white spaceimplementationsystem designperformance evaluation
 Summary | Full Text:PDF(2MB)

A Distributed Sensing and Caching Database for Cognitive Radio Systems
Ha-Nguyen TRAN Chen SUN Yohannes D. ALEMSEGED Hiroshi HARADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/01/01
Vol. E95-B  No. 1  pp. 217-225
Type of Manuscript:  PAPER
Category: Terrestrial Wireless Communication/Broadcasting Technologies
Keyword: 
regulatory databasesensing databasedistributed sensingcognitive radio
 Summary | Full Text:PDF(786.7KB)